94 



HATCH EXPERIMENT STATION. 



[Jan. 



Summary for the Ten Yearn 1889-98. 

 Barovieter (^Pressure in Inches'). 

 Maximum, reduced to freezing, Feb. 26, 1889, 11 a.m., 

 Minimum, reduced to freezing, Feb. 8, 1895, 7 a.m.,. 

 Maximum, reduced to freezing and sea level, Feb. 26, 



11 A.M., .... 

 Minimum, reduced to freezing and sea level, Feb. 8, 



7 A.M., .... 

 Mean, 



Total range, 



Greatest annual range, 1895, 



Least annual range, 1892, . 



Mean annual range, . 



Greatest monthly range, January, 1891, 



Least monthly range, July, 1895, 



Mean monthly range, .... 



Air Temjjcralure (in Degrees F.) 

 Highest, July 20, 1894, 5 p.m., 

 Lowest, Feb. 3, 1898, 6 a.m., 



Mean, 



Total range, 



Greatest annual range, 1898, 



Least annual range, 1891, . 



Mean annual range, . 



Greatest monthly range, February, 1898, 



Least monthly range, July, 1897, 



Mean monthly range, .... 



Greatest daily range, Feb. 18, 1892, . 



Least daily range, April 5, 1898, 



Mean daily range, .... 



1889, 



1895, 



Hnmiditii. 



30.650 

 28.240 



30.970 



Mean dew point, . 

 Mean force of vapor, . 

 Mean relative humidity. 



Precipitation (in Inches). 



Total rain or melted snow, 



Total snowfall, 



Greatest annual precipitation, 1897, . 



Least annual precipitation, 1894, 



Mean annual precipitation, .... 



Greatest monthly precipitation, July, 1897, 



Least monthly precipitation, October, 1892, 



Mean monthly precipitation, .... 



460.000 



539.300 



57.050 



32.640 



46.000 



14.510 



.660 



3.830 



